Portable air treatment unit



FIG. 1 is a front, top, and side perspective view of my portable air treatment unit with a cover in place thereon;

FIG. 2 is an elevation view from either side thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is rear elevation view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a view as in FIG. 1 with the cover removed;

FIG. 8 is a view as in FIG. 2 with the cover removed;

FIG. 9 is a view as in FIG. 3 with the cover removed;

FIG. 10 is a view as in FIG. 4 with the cover removed;

FIG. 11 is a view as in FIG. 5 with the cover removed; and,

FIG. 12 is a view as in FIG. 6 with the cover removed.

The portions of the portable air treatment unit shown in dotted lines do not constitute a part of the claimed design. 

CLAIM The ornamental design for a portable air treatment unit, as shown and described. 